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Allen-Bradley 1756-EN2TR/C | 10/100 Mbps Dual-Port EtherNet/IP Interface for ControlLogix
Overview
The Allen-Bradley 1756-EN2TR is a high-quality EtherNet/IP interface module designed for ControlLogix systems, featuring dual 10/100 Mbps Ethernet ports that support redundant and linear network structures. It can manage 128 TCP/IP connections and up to 8 motion axes, ensuring reliable, fast industry communication for automation applications.
It delivers real-time data exchange, remote access, and integration with other Ethernet-enabled devices, making it a versatile networking tool for industrial automation.
Key Features
- Dual-Port 10/100 Mbps Ethernet Connectivity – Implements Device-Level Ring (DLR) and Linear Topologies
- Supports 128 TCP/IP Connections – Enhances high-volume data handling
- Handles up to 8 Motion Axes – Suitable for motion control applications
- Supports Ring and Linear Network Designs – Offers redundant, scalable networking
- Rapid Data Transfer – Enables immediate control and remote monitoring
- Advanced Network Security Provisions – Defends against unauthorized access
- Compatible with ControlLogix Chassis – Seamless integration with Rockwell Automation setups
Technical Specifications
- Model: 1756-EN2TR
- Series: C
- Network Interface: EtherNet/IP
- Number of Ports: 2 (10/100 Mbps, RJ-45)
- Maximum TCP/IP Connections: 128
- Motion Axes Support: Up to 8
- Topology Support: Device-Level Ring (DLR), Linear
- Module Location: ControlLogix Chassis
- Backplane Current Draw: 970mA @ 5.1V DC
- Isolation Voltage: 30V (Continuous)
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Mounting: Chassis Mount
Applications
- Industrial Ethernet Networking – Ensures reliable data exchange for automation systems
- Factory and Process Automation – Connects PLCs, HMIs, and distributed control systems
- Motion Control Systems – Provides quick communication for motion applications
- Redundant Network Architectures – Enhances reliability with ring and linear topologies
- Remote Observation and Data Logging – Offers real-time insight into industrial processes
Why Choose the Allen-Bradley 1756-EN2TR?
- Dual-Port Ethernet for Various Network Structures – Supports ring and linear topologies
- Fast Data Transfer – 10/100 Mbps guarantees dependable automation networking
- Scalable and Secure Connections – Supports up to 128 TCP/IP connections
- Easy Integration with ControlLogix Systems – Designed for industrial automation
Order Now
Quick shipping and worldwide delivery options available.




































Return to our ControlLogix Controllers main category to explore all models and specifications in this family.
Visit our Allen-Bradley Industrial Automation Products master category for the complete range of controllers, drives, motors, HMIs, and accessories.
Description
Allen-Bradley 1756-EN2TR/C | 10/100 Mbps Dual-Port EtherNet/IP Interface for ControlLogix
Overview
The Allen-Bradley 1756-EN2TR is a high-quality EtherNet/IP interface module designed for ControlLogix systems, featuring dual 10/100 Mbps Ethernet ports that support redundant and linear network structures. It can manage 128 TCP/IP connections and up to 8 motion axes, ensuring reliable, fast industry communication for automation applications.
It delivers real-time data exchange, remote access, and integration with other Ethernet-enabled devices, making it a versatile networking tool for industrial automation.
Key Features
- Dual-Port 10/100 Mbps Ethernet Connectivity – Implements Device-Level Ring (DLR) and Linear Topologies
- Supports 128 TCP/IP Connections – Enhances high-volume data handling
- Handles up to 8 Motion Axes – Suitable for motion control applications
- Supports Ring and Linear Network Designs – Offers redundant, scalable networking
- Rapid Data Transfer – Enables immediate control and remote monitoring
- Advanced Network Security Provisions – Defends against unauthorized access
- Compatible with ControlLogix Chassis – Seamless integration with Rockwell Automation setups
Technical Specifications
- Model: 1756-EN2TR
- Series: C
- Network Interface: EtherNet/IP
- Number of Ports: 2 (10/100 Mbps, RJ-45)
- Maximum TCP/IP Connections: 128
- Motion Axes Support: Up to 8
- Topology Support: Device-Level Ring (DLR), Linear
- Module Location: ControlLogix Chassis
- Backplane Current Draw: 970mA @ 5.1V DC
- Isolation Voltage: 30V (Continuous)
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Mounting: Chassis Mount
Applications
- Industrial Ethernet Networking – Ensures reliable data exchange for automation systems
- Factory and Process Automation – Connects PLCs, HMIs, and distributed control systems
- Motion Control Systems – Provides quick communication for motion applications
- Redundant Network Architectures – Enhances reliability with ring and linear topologies
- Remote Observation and Data Logging – Offers real-time insight into industrial processes
Why Choose the Allen-Bradley 1756-EN2TR?
- Dual-Port Ethernet for Various Network Structures – Supports ring and linear topologies
- Fast Data Transfer – 10/100 Mbps guarantees dependable automation networking
- Scalable and Secure Connections – Supports up to 128 TCP/IP connections
- Easy Integration with ControlLogix Systems – Designed for industrial automation
Order Now
Quick shipping and worldwide delivery options available.




































Return to our ControlLogix Controllers main category to explore all models and specifications in this family.
Visit our Allen-Bradley Industrial Automation Products master category for the complete range of controllers, drives, motors, HMIs, and accessories.